package com.itheima.ydd.interceptor;

import com.itheima.ydd.common.UserHolder;
import com.itheima.ydd.entity.SysUser;
import com.itheima.ydd.utils.JwtUtils;
import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;

@Slf4j
public class TokenInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
////         模拟  用于测试获取token值
////        Map<Object,Object> map =new HashMap();
////        String s = JwtUtils.getToken(map);
////        System.out.println(s);
//        //1、获取请求头
//        String token = request.getHeader("x-token");
////        String token = request.getHeader("token");
//         log.info("token: {}",token);
//        //2、使用工具类，判断token是否有效
//        boolean verifyToken = JwtUtils.verifyToken(token);
//        //3、如果token失效，返回状态码401，拦截
//        if(!verifyToken) {
//            response.setStatus(401);
//            return false;
//        }
//        //4、如果token正常可用，放行
//
//        //解析token，获取id和手机号码，构造User对象，存入Threadlocal
//        Claims claims = JwtUtils.getClaims(token);
//        String id = (String) claims.get("userId");
//        String roleId = (String) claims.get("roleId");
//
//        SysUser user = new SysUser();
//        user.setId(id);
//        user.setRoleId(roleId);
//
//        UserHolder.set(user);

        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        UserHolder.remove();
    }
}
